The invention concerns a work facility (1) with a machine house (2),to which a housing insulation (5) is assigned with a movable valve (7), with a compressed air drive (10) for the movement of the valve (7) and an actuator control (30) for optional ventilation or ventilation of at least two working chambers (19, 20) of the compressed air drive, the first valve arrangement (48)a first pressure sensor (45) is assigned to detect a first flow pressure in the first chamber (19) and the second valve device (49) is assigned to a second pressure sensor (46) to detect a second flow pressure in the second chamber (20), with actuator control (30) a processing device (32)includes,trained to process the sensor signals of the pressure sensors (45, 46) and designed to provide control signals for the first valve arrangement (48) to accelerate the working piston (18) towards the second end position (14) and for the second valve arrangement (49) to brake the working piston (18)is trained before reaching the second end position (14).
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